Multiple-award-winning, New York Times and #1 internationally bestselling author Peter Robinson returns with a superb tale of mystery and murder that takes Detective Chief Inspector Alan Banks and his colleague DI Annie Cabbot back to the early 1970s—a turbulent time of politics, change, and radical student activism—to solve a case that has been decades in the making

The body of disgraced college lecturer Gavin Miller is found on an abandoned railway line by a woman out walking her dog early one winter morning. In the four years since Miller's dismissal for sexual misconduct, he's been living like a hermit, listening to music from his college days and existing as frugally as possible on the outskirts of a small village. So where did he get the five thousand pounds found in his pocket?

Leading the investigation, Detective Chief Inspector Alan Banks begins to suspect that the victim's past may be connected to his death. Forty years earlier the dead man attended a university that was a hotbed of militant protest and divisive, bitter politics. And as the seasoned detective well knows, some grudges are never forgotten—or forgiven.

Just as Banks is about to break the case open, his superior warns him to back off or risk losing the promotion he has been promised. Yet Banks isn't about to stop, even if it means risking his career altogether. He's certain there's more to the mystery than meets the eye, and more skeletons to uncover before the case can finally be closed.